Table 1

Total number of ultrasound findings at all sites

HC (230 entheses)Psoriasis (420 entheses)PsA (580 entheses)
n (%)n (%)n (%)p Value*
Hypoechogenicity29 (12.6)105 (25)208 (35.9)0.0003
Thickening69 (30)162 (38.6)250 (43.1)0.15
PD0 (0)2 (0.4)12 (2.1)0.05
Calcifications22 (9.6)17 (4.1)57 (9.8)0.0005
Bursal enlargement3 (1.3)35 (8.3)77 (13.3)0.02
PD inside the bursa0 (0)3 (0.7)16 (2.8)0.02
Enthesophytes90 (39.1)180 (42.9)297 (51.2)0.01
Erosions1 (0.4)12 (2.9)29 (5)0.1
  • *p Values are given for comparisons between groups with PsA and psoriasis.

  • HC, healthy control; PD, power Doppler; PsA, psoriatic arthritis.